php原生websocket
8303 ワード
class websocket
{
public $log;
public $event;
public $signets;
public $users;
public $master;
public $obj;
public function __construct($config)
{
if (substr(php_sapi_name(), 0, 3) !== 'cli') {
die(" !");
}
error_reporting(E_ALL);
set_time_limit(0);
ob_implicit_flush();
$this->event = $config['event'];
$this->log = $config['log'];
$this->obj = $config['obj'];
$this->master = $this->WebSocket($config['address'], $config['port']);
$this->sockets = array('s' => $this->master);
}
function WebSocket($address, $port)
{
$server = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
socket_set_option($server, SOL_SOCKET, SO_REUSEADDR, 1);
socket_bind($server, $address, $port);
socket_listen($server);
$this->log(' : ' . $address . ' : ' . $port);
return $server;
}
function run()
{
while (true) {
$changes = $this->sockets;
@socket_select($changes, $write = NULL, $except = NULL, NULL);
foreach ($changes as $sign) {
if ($sign == $this->master) {
$client = socket_accept($this->master);
$this->sockets[] = $client;
$user = array(
'socket' => $client,
'hand' => false,
);
$this->users[] = $user;
$k = $this->search($client);
$eventreturn = array('k' => $k, 'sign' => $sign);
$this->eventoutput('in', $eventreturn);
} else {
$len = socket_recv($sign, $buffer, 2048, 0);
$k = $this->search($sign);
$user = $this->users[$k];
if ($len close($sign);
$eventreturn = array('k' => $k, 'sign' => $sign);
$this->eventoutput('out', $eventreturn);
continue;
}
if (!$this->users[$k]['hand']) {//
$this->handshake($k, $buffer);
} else {
$buffer = $this->uncode($buffer);
$eventreturn = array('k' => $k, 'sign' => $sign, 'msg' => $buffer);
$this->eventoutput('msg', $eventreturn);
}
}
}
}
}
function search($sign)
{// id
foreach ($this->users as $k => $v) {
if ($sign == $v['socket'])
return $k;
}
return false;
}
function close($sign)
{//
$k = array_search($sign, $this->sockets);
socket_close($sign);
unset($this->sockets[$k]);
unset($this->users[$k]);
}
function handshake($k, $buffer)
{
$buf = substr($buffer, strpos($buffer, 'Sec-WebSocket-Key:') + 18);
$key = trim(substr($buf, 0, strpos($buf, "\r
")));
$new_key = base64_encode(sha1($key . "258EAFA5-E914-47DA-95CA-C5AB0DC85B11", true));
$new_message = "HTTP/1.1 101 Switching Protocols\r
";
$new_message .= "Upgrade: websocket\r
";
$new_message .= "Sec-WebSocket-Version: 13\r
";
$new_message .= "Connection: Upgrade\r
";
$new_message .= "Sec-WebSocket-Accept: " . $new_key . "\r
\r
";
socket_write($this->users[$k]['socket'], $new_message, strlen($new_message));
$this->users[$k]['hand'] = true;
return true;
}
function uncode($str)
{
$mask = array();
$data = '';
$msg = unpack('H*', $str);
$head = substr($msg[1], 0, 2);
if (hexdec($head{1}) === 8) {
$data = false;
} else if (hexdec($head{1}) === 1) {
$mask[] = hexdec(substr($msg[1], 4, 2));
$mask[] = hexdec(substr($msg[1], 6, 2));
$mask[] = hexdec(substr($msg[1], 8, 2));
$mask[] = hexdec(substr($msg[1], 10, 2));
$s = 12;
$e = strlen($msg[1]) - 2;
$n = 0;
for ($i = $s; $i <= $e; $i += 2) {
$data .= chr($mask[$n % 4] ^ hexdec(substr($msg[1], $i, 2)));
$n++;
}
}
return $data;
}
function code($msg)
{
$msg = preg_replace(array('/\r$/', '/
$/', '/\r
$/',), '', $msg);
$frame = array();
$frame[0] = '81';
$len = strlen($msg);
$frame[1] = $len ord_hex($msg);
$data = implode('', $frame);
return pack("H*", $data);
}
function ord_hex($data)
{
$msg = '';
$l = strlen($data);
for ($i = 0; $i users[$id]['socket']) {
return false;
}//
$t = $this->code($t);
return socket_write($this->users[$id]['socket'], $t, strlen($t));
}
function write($k, $t)
{//
$t = $this->code($t);
return socket_write($k, $t, strlen($t));
}
function eventoutput($type, $event)
{//
call_user_func(array($this->obj, $this->event), $this, $type, $event);
}
function log($t)
{//
if ($this->log) {
$t = $t . "\r
";
fwrite(STDOUT, $t);
}
}
}server.php
'192.168.1.12',
'port'=>'8000',
'event'=>'WSevent',//
'log'=>true,
);
$websocket = new websocket($config);
$websocket->run();
function WSevent($type,$event){
global $websocket;
if('in'==$type){
$websocket->log(' id:'.$event['k']);
}elseif('out'==$type){
$websocket->log(' id:'.$event['k']);
}elseif('msg'==$type){
$websocket->log($event['k'].' :'.$event['msg']);
roboot($event['sign'],$event['msg']);
}
}
function roboot($sign,$t){
global $websocket;
switch ($t)
{
case 'hello':
$show='hello,GIt @ OSC';
break;
case 'name':
$show='Robot';
break;
case 'time':
$show=' :'.date('Y-m-d H:i:s');
break;
case ' ':
$show='( ^_^ )/~~ ';
$websocket->write($sign,'Robot:'.$show);
$websocket->close($sign);
return;
break;
case ' ':
$array = array(' ',' ',' ');
$show = $array[rand(0,2)];
break;
default:
$show='( ⊙o⊙?) , :hello,name,time, , .';
}
$websocket->write($sign,'Robot:'.$show);
}
?>端末でphp server.php
index.html
html>
websocket_TEST
index2
function link(){
var url='ws://192.168.1.12:8000';
socket=new WebSocket(url);
socket.onopen=function(){log(' ')}
socket.onmessage=function(msg){log(' :'+msg.data);console.log(msg);}
socket.onclose=function(){log(' ')}
}
function dis(){
socket.close();
socket=null;
}
function log(var1){
$('.log').append(var1+"\r
");
}
function send(){
socket.send($('#text').attr('value'));
}
function send2(){
var json = JSON.stringify({'type':'php','msg':$('#text2').attr('value')})
socket.send(json);
}
転載先:https://blog.51cto.com/felixcode/1715074